@charset "utf-8";
.btn{ 
	border-width:medium;
	border-color:#F00;
	margin-top:30px;
	margin-bottom:30px;
	margin-right:10px;
	text-align:center;
}
.zu{
	border-width:medium;
	margin-top:10px;
	margin-right:40px;
	text-align:center;
}
.bt{
	border-width:medium;
	border-color:#F00;
	margin-top:30px;
	margin-bottom:20px;
	text-align:center;
}
